Cisco C9300L-48P-4X-A 48 Ports Switch
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C9300L-48P-4X-A Cisco Catalyst 9300L 48 Ports Managed Switch Refurbished

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Part Number#: C9300L-48P-4X-A
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Short Description:
C9300L-48P-4X-A Catalyst 9300L 48 Power Over Ethernet Plus (PoE+) Ethernet Ports & 4 10-Gigabit Small Form-factor Pluggable Plus (SFP+) Uplink Ports Optical Fiber Layer 3 (L3) Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Detail Specifications

The Cisco Catalyst C9300L-48P-4X-A is a managed Layer 3 switch that is part of the Cisco Catalyst 9300L series. This switch is designed for enterprise networks and can support a large number of devices.

It has 48 Gigabit Ethernet PoE+ ports and 4 10-Gigabit SFP+ uplink ports. The PoE+ ports can provide power to connected devices, such as wireless access points, IP phones, and cameras. The 10-Gigabit SFP+ uplink ports allow for high-speed connectivity to other network devices, such as servers or other switches.

The switch supports Cisco DNA (Digital Network Architecture) which provides advanced features such as network automation, analytics, and security. It also supports Cisco SD-Access which allows you to create a software-defined network (SDN) that can be easily managed and secured.

In terms of power consumption, it supports Energy Efficient Ethernet (EEE) and has a maximum power consumption of 637W. It also supports redundant power supply options.

The switch also supports management through a web-based interface, command-line interface (CLI), and SNMP. It also supports Cisco Network Assistant (CNA) which allows for easy management of multiple switches.

Performance and Reliability

The Cisco Catalyst C9300L-48P-4X-A is designed to provide high performance and reliability for enterprise networks. Some key aspects of its performance and reliability include:

  • High-speed switching: The switch supports a switching capacity of up to 1.8 Tbps and a forwarding rate of up to 1.44 Mpps, which allows it to handle large amounts of network traffic.
  • High availability: The switch is designed to be highly available, with features such as redundant power supplies and hitless failover between supervisor engines. This means that the switch can continue to operate even if one of its components fails, minimizing downtime.
  • Quality of Service (QoS): The switch supports advanced QoS features, such as traffic shaping and prioritization, which allows network administrators to prioritize mission-critical traffic and ensure that it is not affected by congestion.
  • Security: The switch supports advanced security features such as access control lists (ACLs), which can be used to restrict network access and prevent unauthorized users from accessing the network.
  • Scalability: The switch supports stacking, which allows multiple switches to be connected and managed as a single logical unit. This enables easy scalability of the network as traffic increases.
  • Performance monitoring: The switch supports advanced performance monitoring features, such as NetFlow, which allows network administrators to monitor network performance and identify potential issues before they become critical.

Compliant Standards

The Cisco Catalyst this model switch complies with a number of industry standards to ensure compatibility and interoperability with other network devices and systems. Some of the compliant standards of this switch include:

  • IEEE 802.3: This standard defines the physical layer and data link layer of Ethernet networks. It includes specifications for Ethernet frame format, media access control (MAC) addresses, and other characteristics of Ethernet networks.
  • IEEE 802.3af and 802.3at: These standards define the Power over Ethernet (PoE) and PoE+ protocols, respectively. These standards specify the amount of power that can be delivered over Ethernet cables to devices such as IP phones and wireless access points.
  • IEEE 802.3ab: This standard defines the 1000BASE-T protocol, which is used to support Gigabit Ethernet over twisted-pair copper cabling.
  • IEEE 802.3z: This standard defines the 1000BASE-X protocol, which is used to support Gigabit Ethernet over optical fibers.
  • IEEE 802.3ae: This standard defines the 10GBASE-X protocol, which is used to support 10-Gigabit Ethernet over optical fibers.
  • IEEE 802.1Q: This standard defines the Virtual LAN (VLAN) protocol, which is used to create multiple virtual networks on a single physical network.
  • IEEE 802.1D, 802.1w and 802.1s: These standards define the Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP) respectively. These protocols are used to prevent loops in a network by automatically blocking certain links while allowing others to pass traffic.
  • IPv4 and IPv6: These standards define the Internet Protocol (IP) version 4 and version 6 respectively. IPv4 is the current widely used standard while IPv6 is an extension of IPv4 which allows for more IP addresses.

By complying with these standards, the Cisco Catalyst C9300L-48P-4X-A switch can be easily integrated into existing networks and be compatible with other network devices that also comply with these standards.

Main Information about this Cisco C9300L-48P-4X-A

  • Manufacturer: Cisco
  • Part Number or SKU # C9300L-48P-4X-A
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Type: Ethernet Switch

Interfaces/Ports for Layer 3 Switch

  • Total Number of Network Ports: 48
  • Uplink Port Yes
  • Modular Yes
  • Stack Port Yes
  • Port/Expansion Slot Details 48 x PoE+
  • Port/Expansion Slot Details 4 x 10 Gigabit Ethernet Uplink

Performance of 48 Ports Ethernet Switch

  • Media Type Supported Optical Fiber
  • Ethernet Technology 10 Gigabit Ethernet
  • Network Technology 10GBase-X

I/O Expansions of Catalyst Switch Module

  • Number of Total Expansion Slots 4
  • Shared SFP Slot No
  • Number of SFP Slots 4

Management & Protocols

  • Routing Protocol: OSPF, BGP-4, IS-IS, RIP-1, RIP-2, EIGRP, HSRP, VRRP, PIM-SM, EIGRP for IPv6, OSPFv3, PIM-SSM, MSDP, policy-based routing (PBR), RIPng, MPLS, MSTP
  • Remote Management Protocol: SNMP 1, RMON 1, RMON 2, SNMP 3, SNMP 2c, CLI, NETCONF, RESTCONF


  • Non-Stop Forwarding (NSF), Access Control List (ACL) support, Quality of Service (QoS), Rapid Per-VLAN Spanning Tree Plus (PVRST+), Shaped Round Robin (SRR), PXE support, Remote Switch Port Analyzer (RSPAN), Energy Efficient Ethernet, Virtual Routing and Forwarding (VRF), Class of Service (CoS), Flexible NetFlow (FNF), 802.1x authentication, Precision Time Protocol (PTP), DiffServ Code Point (DSCP) support, MACsec support, Control plane protection (CoPP), Location ID Separation Protocol (LISP), Blue Beacon LED, Zero-touch provisioning (ZTP), CoAP support, secure boot, Switched Port Analyzer (SPAN), Security Group Tag (SGT) caching, Protocol Independent Multicast (PIM), First Hop Security (FHS), Audio Video Bridging (AVB), PVLAN support, Graceful Insertion and Removal (GIR) mode, Committed Information Rate (CIR), Cisco Trust Anchor module, Cisco Unified Access Data Plane (UADP) 2.0, Cisco StackWise-320 technology

Compliant Standards

  • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ae, IEEE 802.3at, IEEE 1588v2, IEEE 802.1BA, Wi-Fi CERTIFIED 6

Network & Communication

  • Layer Supported 3
  • Manageable Yes

Power Description

  • Power Source Power Supply
  • Redundant Power Supply Supported Yes

Dimensions and Weight

  • Width: 17.5 Inch
  • Depth: 1.7 Inch
  • Height: 17.7 Inch
  • Weight: 15.5 LBS

Environmental Parameters

  • Min Operating Temperature: 23 °F
  • Max Operating Temperature: 113 °F
  • Humidity Range Operating: 5 - 90% (non-condensing)
  • Min Storage Temperature: -40 °F

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Different Types of Switches

Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).

Unmanaged Switches

The unmanaged switches offer fixed configurations on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.

Managed Switches

The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.

The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.

Smart Switches

Smart switches refer to switches that possess more features than those unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.

Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.

Modular Switches

Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.

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